added solid color support
added an OrbitCamera
added easier to use animateCallbacks to ChronosGL
onMouseDown stores mouse position now
Matrix4.getScale support
started working on texture cube support (untested)
added Quaternion.lookAt (untested)
added Spatial.setPosFromSpherical(double radius, double azimuth, double polar)
added TextureCache.addCanvas(String url, HTML.CanvasElement canvas)
added Utils.createTextureFromCanvas(HTML.CanvasElement canvas)
added Utils.createCanvas(canvas, callback)
added Utils.createParticleCanvas()
made Utils.addParticles much easier to use